Answer:
Below
Explanation:
This is the scene where Lady Macbeth reads the letter and determines that Macbeth needs her help becoming king. She creates the plan to kill the king, not him, which is Shakespear's way of showing she is strong and intelligent.
I think informal? Family members commonly use slang :)
I think the last revision is the answer, as both are independent of each other and tell us two separate clauses in the same sentence